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Free super-thin peroneal artery perforator flap containing neurovascular axis for coverage of hand or foot tissue defects / 中华创伤杂志
Chinese Journal of Trauma ; (12): 355-361, 2017.
Article in Chinese | WPRIM | ID: wpr-512105
ABSTRACT
Objective To investigate the clinical results of free super-thin peroneal artery perforator flap containing neurovascular axis in reconstruction of hand or foot soft tissue defects.Methods A retrospective case series study was made on 23 cases of hand or foot soft tissue defects admitted from January 2006 to March 2013.There were 16 males and 7 females,with a mean age of 33 years (range,17-51 years).Wounds were located in dorsal hand (n =12),dorsal pedis or amputated forefoot (n =8),greater thenar (n =2) and index finger (n =1) respectively.Defects ranged in size from 5.0 cm × 3.5 cm to 11.5 cm × 7.5 cm.Flap elevating was performed underneath the deep fascia and the perforator supplying the flap was dissected thoroughly,ligated and cut at the location arose from the peroneal artery.Most of the deep fascia except stripe shaped areas along the main blood supply chains was moved sharply and the fat underlying thinned primarily to the subdermal vascular network.After transferred to the recipient site,the flaps were revascularized by anastomosis of the perforating artery and its venae comitantes to appropriate recipient vessels.A total of 15 cases received innervated flap reconstruction.Flap vascularity and cosmetic results were recorded.Hand function was evaluated with the standard set up by the hand surgery branch of Chinese Medical Association.For foot reconstruction,shoe wearing status,gait,pressure-sore,flap sensibility,donor site appearance and complications were evaluated.Results All flaps were transplanted successfully with satisfactory cosmetic results,except that one flap used to cover dorsal ring finger defect left slightly bulky appearance.Mean duration of follow-up was 19 months (range,11-26 months).For hand reconstruction,the functional results were excellent in 6 cases and good in 9 cases.Repairing of foot defects with the flaps caused no problem of shoe wearing and no sore occurred.Normal gait was acquired except two cases of partially amputated foot.If innervated,flap sensibility was restored at least to the degree of S3.Protective sensation and touchpressure sensation were restored in eight non-innervated cases,and two of them were recovered to the degree of S3.There was only suture or small grafting scars on the donor leg and partially sensibility loss of lateral foot without functional defects in 13 cases.Conclusion Free super-thin peroneal artery perforator flap containing neurovascular axis is an easy and reliable technique that can attain satisfactory results for accurate coverage of hand or foot soft tissue defects.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Trauma Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Trauma Year: 2017 Type: Article